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EXPLANATION
✔Correct answer:
Restlessness. Restlessness is one of the early signs of shock that Nurse David should closely monitor. Restlessness can indicate that the body is not getting enough oxygen, leading to hypoxia. In the context of post-surgical care, this could be a sign of impending shock, which may be due to factors such as blood loss, inadequate fluid replacement, or other complications. Shock is a state of inadequate tissue perfusion and oxygenation, and restlessness can be an early neurogenic response as the brain is affected by decreased oxygen levels.
Shock is a critical condition where the circulatory system fails to provide adequate blood flow to the tissues, leading to cellular and organ dysfunction. Early signs of shock often involve the sympathetic nervous system's response to compensate for decreased perfusion. Restlessness, anxiety, and altered mental status are among the first signs, as the brain is highly sensitive to changes in oxygen supply. If untreated, shock can progress to more severe stages, with symptoms like hypotension, tachycardia, and decreased urine output, eventually leading to organ failure.
Think of a car running low on fuel. The first signs might be sputtering or irregular performance (restlessness in the body), indicating that if you don't refuel soon (restore adequate perfusion), the car will eventually stop running altogether (progression to full-blown shock).
Nurse David should take the following steps if he suspects Mr. Thompson is exhibiting early signs of shock:
- Reassess vital signs frequently, focusing on blood pressure, heart rate, respiratory rate, and oxygen saturation.
- Notify the healthcare provider immediately if signs of shock are present.
- Ensure the patient has adequate IV access for fluid resuscitation if needed.
- Prepare to administer oxygen and other emergency interventions as ordered.
- Monitor for other signs of shock, such as cool, clammy skin, tachycardia, and decreased urine output.
✘Incorrect answer options:
Pale, warm, dry skin. Pale skin can be a sign of shock, but warm and dry skin typically is not associated with early stages of shock. Shock often presents with cool, clammy skin due to peripheral vasoconstriction as the body attempts to shunt blood to vital organs.
Heart rate of 110 beats per minute. While tachycardia is a compensatory mechanism in shock, a heart rate of 110 beats per minute, although elevated, may not immediately indicate shock in isolation, especially postoperatively. It needs to be assessed in conjunction with other symptoms, like blood pressure, mental status, and perfusion.
Urine output of 30 mL per hour. A urine output of 30 mL per hour is generally considered the minimum acceptable level, indicating adequate kidney perfusion. A significant drop below this level would be more indicative of progressing shock. Thus, this finding alone is not an early sign of shock.
References
- Lewis, S. L., Bucher, L., Heitkemper, M. M., Harding, M. M., Kwong, J., & Roberts, D. (2017). Medical-Surgical Nursing: Assessment and Management of Clinical Problems (10th ed.). Elsevier.
- Ignatavicius, D. D., Workman, M. L., Rebar, C. R., & Heimgartner, N. M. (2018). Medical-Surgical Nursing: Concepts for Interprofessional Collaborative Care (9th ed.). Elsevier.